Quick Takeaways
- Jeffrey Sine has 2 issuer positions tracked on this page.
- Estimated disclosed ownership value: $306,983.
- Recent insider filing activity is available below.
Insider Trading & Ownership of Jeffrey Sine
- Location
- New York, NY
- Summary
- The estimated net worth of Jeffrey Sine is at least $306,983 dollars as of 18 Mar 2026. Jeffrey Sine is the Director of WeWork Inc. and owns shares of WeWork Inc. stock worth about $158.4K. Jeffrey Sine is the Director of ARM HOLDINGS PLC /UK and owns shares of ARM HOLDINGS PLC /UK (ARM) stock worth about $148.6K.
- Signature
- /s/ George Kanelos, as Attorney-in-Fact for Jeffrey Sine
- All Insider Reports
- All Insider Reports
Follow Filing Activity
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What Changed
- Largest disclosed position: WeWork Inc. ($158,363).
- Past-year value change for that position: .
Why This Matters
- This page translates Forms 3/4/5 into a quick ownership context before you inspect each transaction row.
- You can cross-check role, issuer, and filing chronology directly against the SEC source.
Source Evidence
Filed on Form 4
See Original Filing
Insider ownership context is sourced from SEC Forms 3, 4, and 5.
Ownership of Jeffrey Sine
WE
Forms 3/4/5
WeWork Inc.
- Relationship
- Director
- Holdings value
- $158,363
- Past year net change
- Change %
- Report period
- 23 Jun 2022
ARM
Forms 3/4/5
ARM HOLDINGS PLC /UK
- Relationship
- Director
- Holdings value
- $148,620
- Past year net change
- Change %
- Report period
- 18 Mar 2026
Insider Transactions Reported by Jeffrey Sine:
| Sym | Company | Class | Transaction | % | Value $ | * Price $ | Shares | Shares After | Date | Ownership |
|---|
* An asterisk sign (*) next to the price indicates that the price is likely invalid.